SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 5)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t1
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t2
     TableJoin
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t3
     TableJoin
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t4
     TableJoin
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t5
     TableJoin
   Function and (children 1)
    ExpressionList (children 4)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier t1.a
       Identifier t3.a
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier t3.b
       Identifier t4.b
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier t1.a
       Identifier t4.a
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier t2.a
       Identifier t5.a
